Oxycon Ozon (DPD 1a & 1b, 2, GL, each 1x 45ml) Reagent kit for 200 selective determinations of ozone Specifications 1x Oxycon DPD 1a+1b 1x Oxycon 2 1x Oxycon GL each 45ml Contact us to place an order. Related Products Reagent set Oxycon Online KI, 8 sets Reagent set Oxycon Online Phosphate HL Oxycon Pool (Start, DPD 1a & 1b, pH, each 1x 45ml) Calibration solution pH9